↑ ab et c(en) A. B. Underhill, L. Divan, M.-L. Prevot-Burnichon et V. Doazan, « Effective temperatures, angular diameters, distances and linear radii for 160 O and B stars », Monthly Notices of the Royal Astronomical Society, vol. 189, , p. 601–605 (Bibcode1979MNRAS.189..601U)